Within the recorded range there are 25 bouts between 2003 and 2015, about one every 6.0 months. It has been 132 months since the last bout. 9 of the 14 wins came by finish, 2 of them in the first round. Of the 6 losses, 0 came by finish and 6 by decision. The highest it has been is 1616, in 2012; it stands at 1343 now. The best win came against Mamoru Yamaguchi in 2006, who was rated 1667 at the time.

There are 2 wins over opponents who were rated higher on the day. Among the losses to lower-rated opponents, the widest gap was So Tazawa in 2008. Across the final four bouts the rating fell.